401032001 has 2 divisors, whose sum is σ = 401032002. Its totient is φ = 401032000.

The previous prime is 401031977. The next prime is 401032007. The reversal of 401032001 is 100230104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373416976 + 27615025 = 19324^2 + 5255^2 .

It is a cyclic number.

It is not a de Polignac number, because 401032001 - 2¹⁴ = 401015617 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401032007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200516000 + 200516001.

It is an arithmetic number, because the mean of its divisors is an integer number (200516001).

Almost surely, 2^401032001 is an apocalyptic number.

It is an amenable number.

401032001 is a deficient number, since it is larger than the sum of its proper divisors (1).

401032001 is an equidigital number, since it uses as much as digits as its factorization.

401032001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 401032001 is about 20025.7834054001. The cubic root of 401032001 is about 737.4394095966.

Adding to 401032001 its reverse (100230104), we get a palindrome (501262105).

The spelling of 401032001 in words is "four hundred one million, thirty-two thousand, one".